As previously reported, the project features newly recorded verses from the late Phife, plus contributions from a laundry list of collaborators and admirers, including André 3000, Kendrick Lamar, Elton John, Jack White, Busta Rhymes, Talib Kweli, Anderson .Paak, and Consequence. There's also an uncredited hook, on "The Killing Season," sung by Kanye West.

The album's sixteen tracks are split up into two distinct eight-song chapters. "Space Program" leads the collection off with a classic Tip/Phife back and forth, and a statement of purpose:

We gotta get it together forever, we gotta get it together for brothers. We gotta get it together for sisters. For mothers and fathers and dead niggas. For non-conformists, one-hitter quitters. For Tyson types and Che figures.